Satellite information update system, positioning auxiliary information provision device, positioning auxiliary information provision device control method, positioning auxiliary information provision device control program, and computer readable recording medium having recorded therein positioning auxiliary information provision device control program
First Claim
1. A satellite information update system comprising:
- a satellite base station having a satellite information generation device to generate satellite information based on a position-related signal from a Satellite Positioning System;
a positioning auxiliary information provision device being configured to communicate with said satellite base station; and
a plurality of terminal devices being configured to communicate with said positioning auxiliary information provision device via a mediation device to mediate communication,said positioning auxiliary information provision device includes,a satellite information acquisition device being configured to acquire said satellite information from said satellite base station,a satellite information storage device being configured to store said satellite information,an auxiliary information generation device being configured to generate positioning auxiliary information including said satellite information,a satellite information update necessity determination device being configured to determine said necessity of updating said satellite information,a satellite information update device being configured to update said satellite information stored in said satellite information storage device based on a determination result of said satellite information update necessity determination device,a satellite information update notification information generation device being configured to generate satellite information update notification information indicating said satellite information needs to be updated based on said determination result of said satellite information update necessity determination device,a provision target terminal information storage device being configured to store provision target terminal information indicative of said plurality of terminal devices serving as targets to be provided with said positioning auxiliary information and said satellite information update notification information,a positioning auxiliary information transmission device being configured to transmit said positioning auxiliary information via said mediation device to said terminal devices indicated in said provision target terminal information, anda satellite information update notification information transmission device being configured to transmit said satellite information update notification information via said mediation device to said terminal devices indicated in said provision target terminal information, and said mediation device includes,a mediation device-side satellite information storage device being configured to store said satellite information included in said positioning auxiliary information acquired from said positioning auxiliary information provision device,a mediation device-side satellite information update device being configured to update said satellite information stored in said mediation device-side satellite information storage device based on said satellite information update notification information acquired from said positioning auxiliary information provision device,a mediation target terminal information storage device being configured to store mediation target terminal information indicative of mediation target terminal devices that are said plurality of terminal devices serving as mediation targets to be provided with said positioning auxiliary information,a positioning auxiliary information transmission device being configured to transmit said positioning auxiliary information received from said positioning auxiliary information provision device to said terminal devices indicated in said mediation target terminal information, anda mediation device-side satellite information update notification information transmission device being configured to transmit said satellite information update notification information received from said positioning auxiliary information provision device to said terminal devices indicated in said mediation target information, and each of said terminal devices includes,a terminal-side satellite information storage device being configured to store said satellite information included in said positioning auxiliary information acquired via said mediation device from said positioning auxiliary information provision device, anda terminal-side satellite information update device being configured to update said satellite information stored in said terminal-side satellite information storage device based on said satellite information update notification information acquired via said mediation device from said positioning auxiliary information provision device.
1 Assignment
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Accused Products
Abstract
A positioning auxiliary information provision device 30 has: a auxiliary information generation device to generate positioning auxiliary information including satellite information; a satellite information update necessity determination device to determine the necessity of updating the satellite information; a satellite information update notification information generation device to generate satellite information update notification information indicating that the satellite information needs to be updated based on the determination result of the satellite information update necessity determination device; a positioning auxiliary information transmission device to transmit the positioning auxiliary information via a mediation device 60 to terminal devices 80a to 80c indicated in provision target terminal information; and a satellite information update notification information transmission device to transmit the satellite information update notification information via the mediation device 60 to the terminal devices 80a to 80c indicated in the provision target terminal information.
17 Citations
15 Claims
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1. A satellite information update system comprising:
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a satellite base station having a satellite information generation device to generate satellite information based on a position-related signal from a Satellite Positioning System; a positioning auxiliary information provision device being configured to communicate with said satellite base station; and a plurality of terminal devices being configured to communicate with said positioning auxiliary information provision device via a mediation device to mediate communication, said positioning auxiliary information provision device includes, a satellite information acquisition device being configured to acquire said satellite information from said satellite base station, a satellite information storage device being configured to store said satellite information, an auxiliary information generation device being configured to generate positioning auxiliary information including said satellite information, a satellite information update necessity determination device being configured to determine said necessity of updating said satellite information, a satellite information update device being configured to update said satellite information stored in said satellite information storage device based on a determination result of said satellite information update necessity determination device, a satellite information update notification information generation device being configured to generate satellite information update notification information indicating said satellite information needs to be updated based on said determination result of said satellite information update necessity determination device, a provision target terminal information storage device being configured to store provision target terminal information indicative of said plurality of terminal devices serving as targets to be provided with said positioning auxiliary information and said satellite information update notification information, a positioning auxiliary information transmission device being configured to transmit said positioning auxiliary information via said mediation device to said terminal devices indicated in said provision target terminal information, and a satellite information update notification information transmission device being configured to transmit said satellite information update notification information via said mediation device to said terminal devices indicated in said provision target terminal information, and said mediation device includes, a mediation device-side satellite information storage device being configured to store said satellite information included in said positioning auxiliary information acquired from said positioning auxiliary information provision device, a mediation device-side satellite information update device being configured to update said satellite information stored in said mediation device-side satellite information storage device based on said satellite information update notification information acquired from said positioning auxiliary information provision device, a mediation target terminal information storage device being configured to store mediation target terminal information indicative of mediation target terminal devices that are said plurality of terminal devices serving as mediation targets to be provided with said positioning auxiliary information, a positioning auxiliary information transmission device being configured to transmit said positioning auxiliary information received from said positioning auxiliary information provision device to said terminal devices indicated in said mediation target terminal information, and a mediation device-side satellite information update notification information transmission device being configured to transmit said satellite information update notification information received from said positioning auxiliary information provision device to said terminal devices indicated in said mediation target information, and each of said terminal devices includes, a terminal-side satellite information storage device being configured to store said satellite information included in said positioning auxiliary information acquired via said mediation device from said positioning auxiliary information provision device, and a terminal-side satellite information update device being configured to update said satellite information stored in said terminal-side satellite information storage device based on said satellite information update notification information acquired via said mediation device from said positioning auxiliary information provision device. - View Dependent Claims (11)
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2. A positioning auxiliary information provision device being configured to communicate with a satellite base station having satellite information generation device to generate satellite information based on a position-related signal from a position information satellite, said positioning auxiliary information provision device comprising:
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a satellite information acquisition device being configured to acquire the satellite information from the satellite base station; a satellite information storage device being configured to store the satellite information; an auxiliary information generation device being configured to generate positioning auxiliary information including the satellite information; a satellite information update necessity determination device being configured to determine the necessity of updating the satellite information; a satellite information update device being configured to update the satellite information stored in said satellite information storage device based on a determination result of said satellite information update necessity determination device; a satellite information update notification information generation device being configured to generate satellite information update notification information indicating that the satellite information need be updated based on said determination result of said satellite information update necessity determination device; a provision target terminal information storage device being configured to store provision target terminal information indicative of a plurality of terminal devices serving as targets to be provided with said positioning auxiliary information and said satellite information update notification information; a positioning auxiliary information transmission device being configured to transmit said positioning auxiliary information via a mediation device to mediate said communication to said terminal devices indicated in said provision target terminal information; and a satellite information update notification information transmission device to transmit said satellite information update notification information via said mediation device to said terminal devices indicated in said provision target terminal information. - View Dependent Claims (3, 4, 5, 6, 7, 12)
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8. A positioning auxiliary information provision device control method comprising:
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acquiring satellite information from a satellite base station by a positioning auxiliary information provision device being configured to communicate with said satellite base station to generate said satellite information based on a position-related signal from a position information satellite; storing said satellite information in a satellite information storage device using said positioning auxiliary information provision device; generating positioning auxiliary information including said satellite information using said positioning auxiliary information provision device; transmitting said positioning auxiliary information via a mediation device to mediate said communication to a plurality of terminal devices serving as targets to be provided with said positioning auxiliary information using said positioning auxiliary information provision device; determining the necessity of updating said satellite information using said positioning auxiliary information provision device; updating said satellite information when determining in the necessity of updating said satellite information that said satellite information need be updated using said positioning auxiliary information provision device to update said satellite information stored in satellite information storage device; generating satellite information update notification information when determining the necessity of updating said satellite information that said satellite information needs to be updated by said positioning auxiliary information provision device indicating said satellite information needs to be updated; and transmitting said satellite information update notification information via said mediation device to said plurality of terminal devices serving as targets to be provided with said satellite information update notification information. - View Dependent Claims (13)
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9. A positioning auxiliary information provision device control program adapted to run on a computer comprising:
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code for acquiring satellite information from a satellite base station by a positioning auxiliary information provision device being configured to communicate with said satellite base station to generate said satellite information based on a position-related signal from a position information satellite; code for storing said satellite information in a satellite information storage device using said positioning auxiliary information provision dcvice; code for generating positioning auxiliary information including said satellite information using said positioning auxiliary information provision device; code for transmitting said positioning auxiliary information via a mediation device to mediate said communication to a plurality of terminal devices serving as targets to be provided with said positioning auxiliary information using said positioning auxiliary information provision device; code for determining the necessity of updating said satellite information using said positioning auxiliary information provision device; code for updating said satellite information when determining in the necessity of updating said satellite information that said satellite information need be updated using said positioning auxiliary information provision device to update said satellite information stored in satellite information storage device; code for generating satellite information update notification information when determining the necessity of updating said satellite information that said satellite information needs to be updated by said positioning auxiliary information provision device indicating said satellite information needs be updated; and code for transmitting said satellite information update notification information via said mediation device to said plurality of terminal devices serving as targets to be provided with said satellite information update notification information. - View Dependent Claims (14)
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10. A computer readable recording medium comprising:
a positioning auxiliary information provision device control program recorded therein, said positioning auxiliary information provision device control program adapted to run on a computer comprising code for acquiring satellite information from a satellite base station by a positioning auxiliary information provision device being configured to communicate with said satellite base station to generate said satellite information based on a position-related signal from a position information satellite, code for storing said satellite information in a satellite information storage device using said positioning auxiliary information provision device, code for generating positioning auxiliary information including said satellite information using said positioning auxiliary information provision device, code for transmitting said positioning auxiliary information via a mediation device to mediate said communication to a plurality of terminal devices serving as targets to be provided with said positioning auxiliary information using said positioning auxiliary information provision device, code for determining the necessity of updating said satellite information using said positioning auxiliary information provision device, code for updating said satellite information when determining in the necessity of updating said satellite information that said satellite information need be updated using said positioning auxiliary information provision device to update said satellite information stored in satellite information storage device, code for generating satellite information update notification information when determining the necessity of updating said satellite information that said satellite information needs to be updated by said positioning auxiliary information provision device indicating said satellite information needs be updated, and code for transmitting said satellite information update notification information via said mediation device to said plurality of terminal devices serving as targets to be provided with said satellite information update notification information. - View Dependent Claims (15)
Specification